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generate anonymization script into a file

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zadam
2022-01-17 23:47:26 +01:00
parent 66a6c76552
commit d1b39ee8fa
18 changed files with 119 additions and 116 deletions
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60
src/services/backup.js
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@@ -6,9 +6,8 @@ const fs = require('fs-extra');
const dataDir = require('./data_dir');
const log = require('./log');
const syncMutexService = require('./sync_mutex');
const attributeService = require('./attributes');
const cls = require('./cls');
const Database = require('better-sqlite3');
const sql = require('./sql');
function regularBackup() {
cls.init(() => {
@@ -41,23 +40,12 @@ function periodBackup(optionName, backupType, periodInSeconds) {
}
}
async function copyFile(backupFile) {
const sql = require('./sql');
try {
fs.unlinkSync(backupFile);
} catch (e) {
} // unlink throws exception if the file did not exist
await sql.dbConnection.backup(backupFile);
}
async function backupNow(name) {
// we don't want to backup DB in the middle of sync with potentially inconsistent DB state
// we don't want to back up DB in the middle of sync with potentially inconsistent DB state
return await syncMutexService.doExclusively(async () => {
const backupFile = `${dataDir.BACKUP_DIR}/backup-${name}.db`;
await copyFile(backupFile);
await sql.copyDatabase(backupFile);
log.info("Created backup at " + backupFile);
@@ -65,53 +53,11 @@ async function backupNow(name) {
});
}
async function anonymize() {
if (!fs.existsSync(dataDir.ANONYMIZED_DB_DIR)) {
fs.mkdirSync(dataDir.ANONYMIZED_DB_DIR, 0o700);
}
const anonymizedFile = dataDir.ANONYMIZED_DB_DIR + "/" + "anonymized-" + dateUtils.getDateTimeForFile() + ".db";
await copyFile(anonymizedFile);
const db = new Database(anonymizedFile);
db.prepare("UPDATE etapi_tokens SET tokenHash = 'API token hash value'").run();
db.prepare("UPDATE notes SET title = 'title'").run();
db.prepare("UPDATE note_contents SET content = 'text' WHERE content IS NOT NULL").run();
db.prepare("UPDATE note_revisions SET title = 'title'").run();
db.prepare("UPDATE note_revision_contents SET content = 'text' WHERE content IS NOT NULL").run();
// we want to delete all non-builtin attributes because they can contain sensitive names and values
// on the other hand builtin/system attrs should not contain any sensitive info
const builtinAttrs = attributeService
.getBuiltinAttributeNames()
.map(name => "'" + name + "'").join(', ');
db.prepare(`UPDATE attributes SET name = 'name', value = 'value' WHERE type = 'label' AND name NOT IN(${builtinAttrs})`).run();
db.prepare(`UPDATE attributes SET name = 'name' WHERE type = 'relation' AND name NOT IN (${builtinAttrs})`).run();
db.prepare("UPDATE branches SET prefix = 'prefix' WHERE prefix IS NOT NULL").run();
db.prepare(`UPDATE options SET value = 'anonymized' WHERE name IN
('documentId', 'documentSecret', 'encryptedDataKey',
'passwordVerificationHash', 'passwordVerificationSalt',
'passwordDerivedKeySalt', 'username', 'syncServerHost', 'syncProxy')
AND value != ''`).run();
db.prepare("VACUUM").run();
db.close();
return {
success: true,
anonymizedFilePath: anonymizedFile
};
}
if (!fs.existsSync(dataDir.BACKUP_DIR)) {
fs.mkdirSync(dataDir.BACKUP_DIR, 0o700);
}
module.exports = {
backupNow,
anonymize,
regularBackup
};